Pete Klapp wrote:
>> Are there specific nuts and bolts that should be used or are
standard AN bolts and MS17826 self locking castle nuts okay for
experimental use. I know that specific bolts are called out for
certified engine / prop combinations.<<
If what you are talking about are the low-height nuts at
https://www.aircraftspruce.com/catalog/hapages/MS17826.php ,
I wouldn't think that would be suitable, especially with nylon inserts.
I have always used all-steel lock nuts, AN 363, to be exact.
https://www.aircraftspruce.com/catalog/hapages/an363.php?recfer=11209
That and AN bolts, as you said. Some will advocated regular castle nuts
with safety wire, but my approach is that with wooden props, which
should be retorqued a few hours after installation, and at least twice a
year with the season change, you're less likely to follow through if it
involves a half hour of safety wiring.
Mark Langford
[email protected]
http://www.n56ml.com
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